A small, square-shaped robot sits in a model stomach

Innovation

Watch: This jail-breaking wireless robot melts and reassembles on command

It may eventually enter your stomach.

Wang and Pan et al./Matter

Wang and Pan et al./Matter

This Lego-shaped robot is stuck behind bars — but not for long.

Wang and Pan et al./Matter

When exposed to a little heat, it puddles into a liquid to pull off the ultimate jailbreak.

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